1049668393 has 2 divisors, whose sum is σ = 1049668394. Its totient is φ = 1049668392.

The previous prime is 1049668327. The next prime is 1049668409. The reversal of 1049668393 is 3938669401.

1049668393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1012066969 + 37601424 = 31813^2 + 6132^2 .

It is a cyclic number.

It is not a de Polignac number, because 1049668393 - 2²⁵ = 1016113961 is a prime.

It is a super-2 number, since 2×1049668393² = 2203607470526404898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1049668303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 524834196 + 524834197.

It is an arithmetic number, because the mean of its divisors is an integer number (524834197).

Almost surely, 2^1049668393 is an apocalyptic number.

It is an amenable number.

1049668393 is a deficient number, since it is larger than the sum of its proper divisors (1).

1049668393 is an equidigital number, since it uses as much as digits as its factorization.

1049668393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 839808, while the sum is 49.

The square root of 1049668393 is about 32398.5862808858. The cubic root of 1049668393 is about 1016.2893474072.

The spelling of 1049668393 in words is "one billion, forty-nine million, six hundred sixty-eight thousand, three hundred ninety-three".